Piano-truck.



No. 737,165. PATENTED AUG. 25, 1903.

F. W. SHOE'GRAFT & H. L. ALLARD.

PIANO TRUCK.

APPLICATION FILED APR. 29, 1903.

NO MODEL.

Patented August 25, 1963.

UNITED STATES PATENT OF ICE.

FRED W. SHOECRAFT AND HOMER L. ALLARD, OF STURGIS, MICHIGAN.

PIANO-TRUCK.-

SPEGIFIOATION forming partof Letters Patent No. 737,165, dated August25, 1903.

Application filed April 29, 1903.

Serial No. 154,901. (No model.)

T0 at whom it may concern:

Be it known that we, FRED W. SHOECRAFT and HOMER L. ALLARD', citizens ofthe United States, residing at Sturgis, in the county of St. Joseph andState of Michigan, have in vented new and usefulImprov'ements in Pi-'ano-Trucks, of which the following is a specification.

Our invention relates more particularly to provide a method to elevatethe end roller, and thereby more readily change direction in themovement of the truck, and also a means of extending the truck-bed. Weattain these objects by the mechanism illustrated in the accompanyingdrawings, in which- Figure 1 is a perspective view of the truck with ourinvention attached. Fig. 2 is a'detail View of lever device with rollerlowered.

Fig. 3 is a detail view of the same with roller elevated. Fig. 4 is adetail view or end elevation of lever. I

Similar letters refer to similar parts thr0ughout the several views.

thereon.

D represents two rectangular plates rest ing on and secured to the sideplates of the bed A a suitable distance apart in front of the end pieceof said bed. 7

E is a lever having an arm 6 pivotally connected therewith by a barf.The members E and e are pivoted between the platesD on the two boltsg,extend downward,and connect with a pair of lugs h, to which they arepivoted.

F isa metal plate turned down at both ends, where they are perforatedand through which a roller G is journaled, operating inside the bed ofthe truck. Thelugs h are turned horizontally at a right angle and fitunderneath v the plate F. A couple of friction-rollers t'are journaledinto the lower end of the members E and c and revolve on the upper sideof the plate F opposite the lugs h tosecure an easy smooth movement ofthe lugs along said plate.

3' represents rods pivoted on the inside of A and outside the ends ofplate F to retain the roller G in position.

To lengthen the truck-bed, the side plates B can be drawn out asrequired for larger instruments and secured by tightening the screws bon the clamps a. When not in use, the frames 0 can be laid down on thetruckbed. When necessary to turn the loaded truck, the lever E ispressed downward, causing the lugs h to slide along beneath the plate Fand elevate the roller G above the bottom of the bed A, thus placing thetruck free to be moved in any direction, on the center wheels K. It isobvious that the lever supports the rear end of the truck and operatesinside the length of the frame,thereby avoiding the defect of aprojecting device and a reduction in size of the sides of the bed.

Having thus described our invention, what we claim as new, and desire tosecure by Letters Patent, is-- 1. .The combination in apiano-truck, of abed A formed of metal angle-plates, with the angle-plates D, a lever E,the arm e, both pivoted, on plates D, connected by the barf, andattached to lugs h, and rollers v), the plate F, carrying the roller Gand side. rods j, all as hereinbefore described, and for the purposesset forth.

In a piano-truck, the combinationof a bed A formed of metalangle-plates; the angle-plates D, a lever E, an arm e, both pivoted onplates D, connected by the barf and attached to lugs h,'and rollers z',the plate F, carrying roller G, and rods j, with the side plates 13, theclamps a, with'thurnb-screws b, the short plates 0, the frames 0,-journaled on c, and handles 70, all as shown, and for thepurposesdescribed hereinbefore.

FRED W. SHOEORAFT; HOMER L. ALLARD. Witnesses:

E. W. PENDLETON, W.'B. DRYER.

